About this dataset

Context

The dataset tabulates the Twin Falls population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Twin Falls across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2023, the population of Twin Falls was 54,943, a 1.06% increase year-by-year from 2022. Previously, in 2022, Twin Falls population was 54,368, an increase of 1.60% compared to a population of 53,513 in 2021. Over the last 20 plus years, between 2000 and 2023, population of Twin Falls increased by 20,105. In this period, the peak population was 54,943 in the year 2023. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. Source: U.S. Census Bureau Population Estimates Program (PEP).

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

• From 2000 to 2023

Variables / Data Columns

• Year: This column displays the data year (Measured annually and for years 2000 to 2023)
• Population: The population for the specific year for the Twin Falls is shown in this column.
• Year on Year Change: This column displays the change in Twin Falls population for each year compared to the previous year.
• Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Twin Falls Population by Year. You can refer the same here

Graph and download economic data for Population Estimate, Total, Hispanic or Latino, Native Hawaiian and Other Pacific Islander Alone (5-year estimate) in Twin Falls County, ID (B03002017E016083) from 2009 to 2023 about Twin Falls County, ID; ID; Pacific Islands; latino; hispanic; estimate; persons; 5-year; population; and USA.

Graph and download economic data for Resident Population in Twin Falls, ID (MSA) (TWFPOP) from 2010 to 2024 about Twin Falls, ID, residents, population, and USA.

About this dataset

Context

The dataset tabulates the data for the Twin Falls, ID population pyramid, which represents the Twin Falls population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

• Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Twin Falls, ID, is 34.1.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Twin Falls, ID, is 26.2.
• Total dependency ratio for Twin Falls, ID is 60.4.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Twin Falls, ID is 3.8.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group for the Twin Falls population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Twin Falls for the selected age group is shown in the following column.
• Population (Female): The female population in the Twin Falls for the selected age group is shown in the following column.
• Total Population: The total population of the Twin Falls for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Twin Falls Population by Age. You can refer the same here

Graph and download economic data for Estimate, Median Age by Sex, Total Population (5-year estimate) in Twin Falls County, ID (B01002001E016083) from 2009 to 2023 about Twin Falls County, ID; age; ID; median; 5-year; and USA.

About this dataset

Context

The dataset tabulates the Twin Falls County population distribution across 18 age groups. It lists the population in each age group along with the percentage population relative of the total population for Twin Falls County. The dataset can be utilized to understand the population distribution of Twin Falls County by age. For example, using this dataset, we can identify the largest age group in Twin Falls County.

Key observations

The largest age group in Twin Falls County, ID was for the group of age 10 to 14 years years with a population of 7,387 (8.02%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Twin Falls County, ID was the 85 years and over years with a population of 1,480 (1.61%). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group in consideration
• Population: The population for the specific age group in the Twin Falls County is shown in this column.
• % of Total Population: This column displays the population of each age group as a proportion of Twin Falls County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Twin Falls County Population by Age. You can refer the same here

Graph and download economic data for Population Estimate, Total, Hispanic or Latino, Two or More Races, Two Races Excluding Some Other Race, and Three or More Races (5-year estimate) in Twin Falls County, ID (B03002021E016083) from 2009 to 2023 about Twin Falls County, ID; ID; latino; hispanic; estimate; persons; 5-year; population; and USA.

U.S. Census Bureau QuickFacts statistics for Twin Falls city, Idaho. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

Population Estimate, Total, Hispanic or Latino (5-year estimate) in Twin Falls County, ID was 16150.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in Twin Falls County, ID reached a record high of 16150.00000 in January of 2023 and a record low of 8908.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Hispanic or Latino (5-year estimate) in Twin Falls County, ID - last updated from the United States Federal Reserve on July of 2025.

About this dataset

Context

This list ranks the 8 cities in the Twin Falls County, ID by Multi-Racial Asian population, as estimated by the United States Census Bureau. It also highlights population changes in each cities over the past five years.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates, including:

• 2019-2023 American Community Survey 5-Year Estimates
• 2018-2022 American Community Survey 5-Year Estimates
• 2017-2021 American Community Survey 5-Year Estimates
• 2016-2020 American Community Survey 5-Year Estimates
• 2015-2019 American Community Survey 5-Year Estimates

Variables / Data Columns

• Rank by Multi-Racial Asian Population: This column displays the rank of cities in the Twin Falls County, ID by their Multi-Racial Asian population, using the most recent ACS data available.
• cities: The cities for which the rank is shown in the previous column.
• Multi-Racial Asian Population: The Multi-Racial Asian population of the cities is shown in this column.
• % of Total cities Population: This shows what percentage of the total cities population identifies as Multi-Racial Asian. Please note that the sum of all percentages may not equal one due to rounding of values.
• % of Total Twin Falls County Multi-Racial Asian Population: This tells us how much of the entire Twin Falls County, ID Multi-Racial Asian population lives in that cities. Please note that the sum of all percentages may not equal one due to rounding of values.
• 5 Year Rank Trend: TThis column displays the rank trend across the last 5 years.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Estimate, Median Age by Sex, Total Population (5-year estimate) in Twin Falls County, ID was 35.80000 Years of Age in January of 2023, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in Twin Falls County, ID reached a record high of 35.80000 in January of 2023 and a record low of 34.50000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate, Median Age by Sex, Total Population (5-year estimate) in Twin Falls County, ID - last updated from the United States Federal Reserve on July of 2025.

Historical Dataset of Twin Falls High School is provided by PublicSchoolReview and contain statistics on metrics:Total Students Trends Over Years (1987-2023),Total Classroom Teachers Trends Over Years (1987-2023),Distribution of Students By Grade Trends,Student-Teacher Ratio Comparison Over Years (1987-2023),American Indian Student Percentage Comparison Over Years (2008-2023),Asian Student Percentage Comparison Over Years (2002-2023),Hispanic Student Percentage Comparison Over Years (2002-2023),Black Student Percentage Comparison Over Years (2009-2023),White Student Percentage Comparison Over Years (2002-2023),Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2019-2022),Two or More Races Student Percentage Comparison Over Years (2016-2023),Diversity Score Comparison Over Years (2001-2023),Free Lunch Eligibility Comparison Over Years (1991-2023),Reduced-Price Lunch Eligibility Comparison Over Years (1999-2023),Reading and Language Arts Proficiency Comparison Over Years (2010-2022),Math Proficiency Comparison Over Years (2010-2022),Overall School Rank Trends Over Years (2010-2022),Graduation Rate Comparison Over Years (2014-2022)

Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Twin Falls County, ID was 70169.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Twin Falls County, ID reached a record high of 70169.00000 in January of 2023 and a record low of 61415.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Twin Falls County, ID - last updated from the United States Federal Reserve on July of 2025.

This dataset tracks annual two or more races student percentage from 2016 to 2023 for Twin Falls High School vs. Idaho and Twin Falls School District

Graph and download economic data for Unemployed Persons in Twin Falls, ID (MSA) (LAUMT164630000000004) from Jan 1990 to May 2025 about Twin Falls, ID, household survey, personal, unemployment, and USA.

This dataset tracks annual hispanic student percentage from 2002 to 2023 for Twin Falls High School vs. Idaho and Twin Falls School District

Percent of Population Below the Poverty Level (5-year estimate) in Twin Falls County, ID was 10.70% in January of 2023, according to the United States Federal Reserve. Historically, Percent of Population Below the Poverty Level (5-year estimate) in Twin Falls County, ID reached a record high of 15.90 in January of 2014 and a record low of 10.70 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Percent of Population Below the Poverty Level (5-year estimate) in Twin Falls County, ID - last updated from the United States Federal Reserve on July of 2025.

Resident Population in Twin Falls, ID (MSA) was 122.56500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Twin Falls, ID (MSA) reached a record high of 122.56500 in January of 2024 and a record low of 99.98500 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Twin Falls, ID (MSA) - last updated from the United States Federal Reserve on July of 2025.

Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Twin Falls County, ID was 195.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Twin Falls County, ID reached a record high of 649.00000 in January of 2017 and a record low of 195.00000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Twin Falls County, ID - last updated from the United States Federal Reserve on August of 2025.

About this dataset

Context

The dataset tabulates the Twin Falls County population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). It lists the population in each age cohort group along with its percentage relative to the total population of Twin Falls County. The dataset can be utilized to understand the population distribution across children, working population and senior population for dependency ratio, housing requirements, ageing, migration patterns etc.

Key observations

The largest age group was 18 to 64 years with a poulation of 52,379 (56.86% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Age cohorts:

• Under 18 years
• 18 to 64 years
• 65 years and over

Variables / Data Columns

• Age Group: This column displays the age cohort for the Twin Falls County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
• Population: The population for the age cohort in Twin Falls County is shown in the following column.
• Percent of Total Population: The population as a percent of total population of the Twin Falls County is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Twin Falls County Population by Age. You can refer the same here